Multi-GPT collaborative overseas engineering construction standard retrieval system and construction method thereof

The invention relates to a multi-GPT collaborative overseas engineering construction standard retrieval system and a construction method thereof. The retrieval system comprises a domestic and overseas standard and case database; the question revising module is used for revising and refining user questions so as to output questions GPT of the questions in a standard interrogative sentence type; the answering GPT is used for answering the questions output by the questioning GPT based on the domestic and overseas standard and case databases and outputting answers in a standard non-interrogative sentence mode; the question determining module is used for determining whether a user question is related to data in the domestic and foreign standard and case database, and determining whether to send the user question to the question-asking GPT based on a determination result; and the judgment GPT is used for judging whether the answers output by the answer GPT are accurate or not and determining whether the retrieval s